METHOD FOR LOCKING FREQUENCY OF USB DEVICE AND USB FREQUENCY LOCKING DEVICE
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 26, 2011
filing date -
Oct 27, 2010
priority date (Note) -
Abandoned
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Abstract
A method for locking the frequency of a USB device includes the following steps. Receive a USB data signal and generate multiple reference clock signals. Compare the frequency of the reference clock signals with a bit rate of the USB data signal to generate a control signal. Adjust the operating frequency of an output clock of the USB device according to the control signal.
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